Apache Solr
Description: Apache Solr is a popular, open source enterprise search platform built on Apache Lucene. It provides full-text search, hit highlighting, faceted search, dynamic clustering and database integration. Solr powers the search and navigation features of many large websites and applications.
Type: software
Pricing: Open Source
Jekyll
Description: Jekyll is a static site generator that allows you to convert your plain text into static websites. It's commonly used for blogs. Key features include: creation of blog posts and web pages with Markdown, templates for layout, support for taxonomies for better organization, and easy customization
Type: software
Pricing: Free